Additonal System Boards
Intel® Server System R2000LH2/T2 Product Family TPS
Revision 1.0
86
10.5.4
Motherboard Signal from PDB
Power control signals are routed via connector J5. The connector provides signal and 12Vstby
interface from the PDB to the motherboard. The 3.3Vstby and 3.3V pins are provided to allow
3.3V power to the fan monitoring circuit the PDB. The SMBus interface from the fan monitoring
circuit is routed from the PDB to the motherboard through this connector.
Table 39. Power Control Signals Pin-out (J5)
Pin #
Signal Description
Pin #
Signal Description
1
P3V3_STBY
9
Return_Sense
2
P3V3
10
P12V_Remote_Sense
3
PMBUS_SCL
11
P12V_STBY
4
PMBUS_SDA
12
P12V_STBY
5
PSON#
13
P12V_STBY
6
PWOK
14
P12V_STBY
7
SMBAlert#
15
FAN_SCL
8
Reserved
16
FAN_SDA
10.5.5
GPGPU Power Connectors
PDB auxiliary power connectors, J9 (Left) and J10 (Right), labeled
for GFX add-in card
, provide
auxiliary power to GPGPU devices.
Table 40. GPGPU Aux Connector Pin-out (J9 and J10)
Pin #
Signal Description
Pin #
Signal Description
1
GROUND
13
P12V1/2
2
GROUND
14
P12V1/2
Summary of Contents for S4600LT2
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